Dysprosium
Dysprosium
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Dysprosium ΒΆ
AtomicNumber: 66
Element: Dysprosium
Symbol: Dy
AtomicMass: 162.5
NumberofNeutrons: 97
NumberofProtons: 66
NumberofElectrons: 66
Period: 6
Group: nan
Phase: solid
Radioactive: nan
Natural: yes
Metal: yes
Nonmetal: nan
Metalloid: nan
Type: Lanthanide
AtomicRadius: 2.5
Electronegativity: 1.22
FirstIonization: 5.9389
Density: 8.55
MeltingPoint: 1680.15
BoilingPoint: 2840.0
NumberOfIsotopes: 21.0
Discoverer: de Boisbaudran
Year: 1886.0
SpecificHeat: 0.17
NumberofShells: 6
NumberofValence: nan